Home / 93,355.32-128,828.94-50,913.78

Finding the Fourth Proportional to 93,355.32, 128,828.94 and 50,913.78

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Solution

The fourth proportional to 93,355.32, 128,828.94 and 50,913.78 is: 70,260.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    93,355.32 : 128,828.94 = 50,913.78 : x
  2. Step 2: Convert to fraction form
    93,355.32/128,828.94 = 50,913.78/x
  3. Step 3: Cross multiply
    93,355.32x = 128,828.94 × 50,913.78
  4. Step 4: Simplify right side
    93,355.32x = 6,559,168,308.79
  5. Step 5: Solve for x
    x = 6,559,168,308.79/93,355.32
  6. Step 6: Final answer
    x = 70,260.25

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.